parisc: Try to fixup kernel exception in bad_area_nosemaphore path of do_page_fault()

Signed-off-by: John David Anglin <[e-mail]>
Signed-off-by: Helge Deller <[e-mail]>
Cc: [e-mail] # v5.12+

arch/parisc/mm/fault.c

···
 	mmap_read_unlock(mm);
 
 bad_area_nosemaphore:
+	if (!user_mode(regs) && fixup_exception(regs)) {
+		return;
+	}
+
 	if (user_mode(regs)) {
 		int signo, si_code;